If the sdp is generated before the rtp muxer is initialized
(e.g. as when called from the rtsp muxer), this has to be done,
otherwise the rtp muxer doesn't know that the input really is
in mp4 format.
---
libavformat/sdp.c | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/libavformat/sdp.c b/libavformat/sdp.c
index f0d4253..d89591f 100644
--- a/libavformat/sdp.c
+++ b/libavformat/sdp.c
@@ -156,6 +156,8 @@ static char *extradata2psets(AVCodecContext *c)
char *psets, *p;
const uint8_t *r;
const char *pset_string = "; sprop-parameter-sets=";
+ uint8_t *orig_extradata = NULL;
+ int orig_extradata_size = 0;
if (c->extradata_size > MAX_EXTRADATA_SIZE) {
av_log(c, AV_LOG_ERROR, "Too much extradata!\n");
@@ -172,6 +174,15 @@ static char *extradata2psets(AVCodecContext *c)
return NULL;
}
+
+ orig_extradata_size = c->extradata_size;
+ orig_extradata = av_mallocz(orig_extradata_size +
+ FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!orig_extradata) {
+ av_bitstream_filter_close(bsfc);
+ return NULL;
+ }
+ memcpy(orig_extradata, c->extradata, orig_extradata_size);
av_bitstream_filter_filter(bsfc, c, NULL, &dummy_p, &dummy_int, NULL,
0, 0);
av_bitstream_filter_close(bsfc);
}
@@ -179,6 +190,7 @@ static char *extradata2psets(AVCodecContext *c)
psets = av_mallocz(MAX_PSET_SIZE);
if (psets == NULL) {
av_log(c, AV_LOG_ERROR, "Cannot allocate memory for the parameter
sets.\n");
+ av_free(orig_extradata);
return NULL;
}
memcpy(psets, pset_string, strlen(pset_string));
@@ -208,6 +220,11 @@ static char *extradata2psets(AVCodecContext *c)
p += strlen(p);
r = r1;
}
+ if (orig_extradata) {
+ av_free(c->extradata);
+ c->extradata = orig_extradata;
+ c->extradata_size = orig_extradata_size;
+ }
return psets;
}
--
1.7.3.1
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